Maybe it’s just me, but I’m not really getting a chill vibe from the group known as ISIS. They really don’t seem to have a lot of compassion, leeway or compromise. Case in point, German fighter and former Muay Thai champion Valdet Gashi, who joined ISIS, but then was unceremoniously relieved of his duties when he attempted to flee the Islamic State.

Gashi had been training in Thailand for the last few months before he decided that joining ISIS was his...